December 1972 Table of Contents

PROBLEM CLINIC
Problem Clinic Acid Washing to Expose Aggregate

Can aggregate be successfully exposed in architectural concrete by acid washing? Read more

Problem Clinic Bushhammering Corners

What can be done at corners to assure good results when bushhammering? Read more

Problem Clinic Sandblasted to Expose Aggregate

How old should concrete be at the time of sandblasting? Read more

Problem Clinic Exposed Aggregate Finishes By Sandblasting

Can this method be used for making panels with large pieces of flat field stone? Read more

Problem Clinic Exposed Aggregate Finishes for Large Aggregates

If rocks of more than ordinary size (such as six-inch diameter) are to be exposed in a panel what is the best method to use? Read more

Problem Clinic White Cement

Is it necessary to use white cement when pigments are being used? Read more

Problem Clinic Finishes for White Concrete

What is the best way to get a smooth surface on white concrete? Read more

Problem Clinic Aggregates for White Concrete

What aggregates are suitable for use in white concrete? Read more

Problem Clinic Pink Discoloration

What causes pink discoloration on white concrete? Read more

Problem Clinic Release Agents for White Concrete

What form release agents should be used with white concrete? Read more

Problem Clinic Colored Aggregate and Buff Cement

How do buff cements blend in color with colored aggregate? Read more

Problem Clinic Buff Cement

Do buff cements produce better colors than a mixture of pigment and white or gray cement? Read more

Problem Clinic Aggregate or Cement for Tan Color?

Is it more effective to achieve a light brown or tan color with brown or tan aggregate or with a buff cement? Read more

Problem Clinic Color and Discoloration

Is it possible to remove rust stains around tie holes? Read more

Problem Clinic Sealing Architectural Concrete

Is it necessary to seal architectural concrete surfaces? Read more

Problem Clinic Form Stripping and Color

Does the time that the forms are stripped have any effect on the color of the concrete? Read more

Problem Clinic Color and Discoloration From Release Agents

Is it possible that form release agents or lumber can stain the concrete? Read more

Problem Clinic Transporting and Placing

Can regular transporting and handling equipment be used for placing and handling architectural concrete? Read more

Problem Clinic Avoid Lift Lines

How do you avoid lift lines in architectural concrete? Read more

Problem Clinic Aggregate Transfer Method

What is the aggregate transfer method of making architectural concrete? Read more

Problem Clinic Benefits of Aggregate Transfer

What is the advantage of the aggregate transfer method? Read more

Problem Clinic Information on the Aggregate Transfer Method

Where can I obtain more information about the aggregate transfer method? Read more

Problem Clinic Need to Plug Tie Holes?

Is it always necessary to plug tie holes? Read more

Problem Clinic Hiding Tie Holes

Is it ever possible to obscure the tie holes so that they cannot be seen? Read more

Problem Clinic Materials for Patching Tie Holes

What materials are used for plugging tie holes? Read more

Problem Clinic Plugging Tie Holes

What is the method for putting plugs in tie holes? Read more

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